; This file is part of QBDI.
;
; Copyright 2017 - 2025 Quarkslab
;
; Licensed under the Apache License, Version 2.0 (the "License");
; you may not use this file except in compliance with the License.
; You may obtain a copy of the License at
;
;     http://www.apache.org/licenses/LICENSE-2.0
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an "AS IS" BASIS,
; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; See the License for the specific language governing permissions and
; limitations under the License.

.386
.xmm
.model flat, C

_TEXT segment

PUBLIC qbdi_runCodeBlock

.CODE

qbdi_runCodeBlock PROC
    mov eax, [esp+4];
    mov ecx, [esp+8];
    test ecx, 2;
    jz _skip_save_fpu;
    sub esp, 8;
    stmxcsr [esp];
    fnstcw [esp+4];
_skip_save_fpu:
    pushad;
    call eax;
    popad;
    test ecx, 2;
    jz _skip_restore_fpu;
    fninit;
    fldcw [esp+4];
    ldmxcsr [esp];
    add esp, 8;
_skip_restore_fpu:
    cld;
    ret;
qbdi_runCodeBlock ENDP

END
